diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c
index 795b3128768f..3cdc985b79e2 100644
--- a/drivers/net/dsa/mv88e6xxx/port.c
+++ b/drivers/net/dsa/mv88e6xxx/port.c
@@ -294,21 +294,6 @@ static int mv88e6xxx_port_set_speed_duplex(struct mv88e6xxx_chip *chip,
 	return 0;
 }
 
-/* Support 10, 100, 200 Mbps (e.g. 88E6065 family) */
-int mv88e6065_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
-				    int speed, int duplex)
-{
-	if (speed == SPEED_MAX)
-		speed = 200;
-
-	if (speed > 200)
-		return -EOPNOTSUPP;
-
-	/* Setting 200 Mbps on port 0 to 3 selects 100 Mbps */
-	return mv88e6xxx_port_set_speed_duplex(chip, port, speed, false, false,
-					       duplex);
-}
-
 /* Support 10, 100, 1000 Mbps (e.g. 88E6185 family) */
 int mv88e6185_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
 				    int speed, int duplex)
diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h
index e0a705d82019..cb04243f37c1 100644
--- a/drivers/net/dsa/mv88e6xxx/port.h
+++ b/drivers/net/dsa/mv88e6xxx/port.h
@@ -342,8 +342,6 @@ int mv88e6xxx_port_set_link(struct mv88e6xxx_chip *chip, int port, int link);
 int mv88e6xxx_port_sync_link(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup);
 int mv88e6185_port_sync_link(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup);
 
-int mv88e6065_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
-				    int speed, int duplex);
 int mv88e6185_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
 				    int speed, int duplex);
 int mv88e6250_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,